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COMPUTER AWARENESS TEST



1.In the command scanf, h is used for



Ans. Short int





2.A process is defined as



Ans. Program in execution





3.A thread is



Ans. Detachable unit of executable code





4.What is the advantage of Win NT over Win 95



Ans. Robust and secure





5.How is memory management done in Win95



Ans. Through paging and segmentation





6.What is meant by polymorphism



Ans. Redefinition of a base class method in a derived class





7.What is the essential feature of inheritance



Ans. All properties of existing class are derived



8.What does the protocol FTP do



Ans. Transfer a file b/w stations with user authentification





9.In the transport layer ,TCP is what type of protocol



Ans. Connection oriented





10.Why is a gateway used



Ans. To connect incompatible networks





11.How is linked list implemented



Ans. By referential structures





12.What method is used in Win95 in multitasking



Ans. Non preemptive check





13.What is meant by functional dependency





14.What is a semaphore



Ans. A method synchronization of multiple processes





15.What is the precedence order from high to low ,of the symbols ( ) ++ /



Ans.( ) , ++, /





16.Preorder of A*(B+C)/D-G



Ans.*+ABC/-DG



18. B-tree (failure nodes at same level)





19. Dense index (index record appears for every search -key in file)



20.What is the efficiency of merge sort



Ans. O(n log n)





21.A program on swapping ( 10,5 )was given (candidate cannot recollect)





22.In which layer are routers used



Ans. In network layer





23.In which layer are packets formed ( in network layer )





24.heap ( priority queue )





25.copy constructor ( constant reference )





26.Which of the following sorting algorithm has average sorting behavior --

Bubble sort, merge sort, heap sort, exchange sort



Ans. Heap sort





27.In binary search tree which traversal is used for getting ascending order values--Inorder ,post

order, preorder



Ans. Inorder





28.What are device drivers used for



Ans. To provide software for enabling the hardware





29. Irrevalent to unix command ( getty)





30.What is fork command in unix



Ans. System call used to create process



31.What is make command in unix



Ans. Used forcreation of more than one file





32.In unix .profile contains



Ans. Start up program





33.In unix echo is used for ( answer C)





34.In unix 'ls 'stores contents in



Ans.inode block





QUANTITATIVE SECTION





1.In a class composed of x girls and y boys what part of the class is composed of girls



A.y/(x + y)

B.x/xy

C.x/(x + y)

D.y/xy



Ans.C





2.What is the maximum number of half-pint bottles of cream that can be filled with a 4-gallon can of

cream(2 pt.=1 qt. and 4 qt.=1 gal)



A.16

B.24

C.30

D.64



Ans.D





3.If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3



A.0

B.1





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C.-1

D.4



Ans.B





4.A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p.

a gm.If the mixture is changed to 1 part of the

33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100

gms.



A.Rs.90

B.Rs.1.00

C.Rs.3.00

D.Rs.8.00



Ans.C





5.There are 200 questions on a 3 hr examination.Among these questions are 50 mathematics

problems.It is suggested that twice as much time be

spent on each maths problem as for each other question.How many minutes should be spent on

mathematics problems



A.36

B.72

C.60

D.100



Ans.B





6.In a group of 15,7 have studied Latin, 8 have studied Greek, and 3 have not studied either.How

many of these studied both Latin and Greek



A.0

B.3

C.4

D.5



Ans.B





7.If 13 = 13w/(1-w) ,then (2w)2 =



A.1/4

B.1 /2